From 2a03a05a496d498857e93a70baa020154249cef6 Mon Sep 17 00:00:00 2001
From: Jakub Wilk <jwilk@jwilk.net>
Date: Fri, 13 May 2016 20:41:39 +0200
Subject: [PATCH] Treat EOF on stdin as error

---
 src/tty.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/tty.c b/src/tty.c
index 7618666..945453b 100644
--- a/src/tty.c
+++ b/src/tty.c
@@ -79,7 +79,7 @@ void wait_for_tty_device(void)
 
             /* Read one character */
             status = read(STDIN_FILENO, &c_stdin[0], 1);
-            if (status < 0)
+            if (status <= 0)
             {
                 error_printf("Could not read from stdin");
                 exit(EXIT_FAILURE);
@@ -266,7 +266,7 @@ int connect_tty(void)
             {
                 /* Input from stdin ready */
                 status = read(STDIN_FILENO, &c_stdin[0], 1);
-                if (status < 0)
+                if (status <= 0)
                 {
                     error_printf("Could not read from stdin");
                     goto error_read;